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2,085 parks
Thomaston Dam
Connecticut
The Vista picnic area offers visitors excellent views of the dam and portions of the Naugatuck River Valley. …
Thorn Creek Reservoir
Idaho
Small reservoir suitable for non-motorized watercraft, occasionally stocked by Idaho Department of Fish and Ga…
Three Kiva Pueblo
Utah
Three Kiva is a stabilized pueblo located in Montezuma Canyon along County Road B146 about seven miles upcanyo…
Three Peaks Recreation Area
Utah
Three Peaks Recreation Area has more than 6,000 acres of thrilling terrain where visitors can explore a pletho…
Three Rivers Petroglyph Site
New Mexico
OverviewThe Three Rivers Petroglyphs are outstanding examples of prehistoric Jornada Mogollon rock art. The ba…
Threemile Creek Trail
Oregon
Located at the far southwestern corner of the Steens Mountain Cooperative Management and Protection Area, the …
Thunderbird Canyon Trail System
Utah
Tiekel Road Grade
Alaska
This old alignment of the Richardson Highway is accessible at mile 47 of the Richardson, just north of the Ren…
Tijuana River National Estuarine Research Reserve
California
The Tijuana River National Estuarine Research Reserve preserves one of the largest remaining examples of coast…
Tilted Mesa Mountain Biking Trail System (Tilted Mesa)
Utah
The 400-acre Tilted Mesa Trail System consists of three connected mesas (from east to west, these are called F…
Timbered Crater Wilderness Study Area
Oregon
The Timbered Crater Wilderness Study Area is an outstanding showcase for the geology of extinct volcanic crate…
Timpanogos Cave National Monument
Utah
The visitor center, caves, and cave tours are scheduled to open on May 18, 2026. Visitors must be on a cave to…
Timucuan Ecological & Historic Preserve
Florida
Visit one of the last unspoiled coastal wetlands on the Atlantic Coast. Discover 6,000 years of human history …
Tinemahah Viewing Area
California
The Tinemaha Wildlife Viewing area allows visitors a 360 degree view of this portion of the Owens Valley. Tule…
Tioga-Hammond Lakes
Pennsylvania
Twin lakes in north central Pennsylvania with overnight and dayuse facilities in a scenic environment, southwe…
Tishomingo National Wildlife Refuge
Oklahoma
Tishomingo National Wildlife Refuge is one of more than 560 national wildlife refuges that form a network of U…
Togiak National Wildlife Refuge
Alaska
Togiak National Wildlife Refuge was established on February 11, 1980, but is part of a much larger region that…
Tom's Canyon Trail
Utah
Tom’s Canyon Trail is a 2.5-mile loop hiking and equestrian trail to the northeast of Kanab, Utah. The trail o…
Tonto National Monument
Arizona
Located within the northern range of the Sonoran Desert lie two cliff dwellings that were occupied from 1300-1…
Topaz Mountain
Utah
Topaz, Utah's state gem, is a semi-precious gemstone that occurs as very hard, transparent crystals in a varie…
Topaz Mountain Rockhound Recreation Area
Utah
These sere hills contain some of the most productive and diverse rockhound areas in the west. Visitors to Topa…
Touro Synagogue National Historic Site
Rhode Island
Touro Synagogue, a building of exquisite beauty and design, steeped in history and ideals, and one of the most…
Trail Of Tears National Historic Trail
Arkansas
Remember and commemorate the survival of the Cherokee people, forcefully removed from their homelands in Georg…
Transcontinental Railroad Back Country Byway (BCB)
Utah
The Transcontinental Railroad National Back Country Byway, also known as the Central Pacific Railroad Grade, i…